53381910 has 32 divisors (see below), whose sum is σ = 129134592. Its totient is φ = 14122080.

The previous prime is 53381903. The next prime is 53381929. The reversal of 53381910 is 1918335.

It is a happy number.

53381910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196 + ... + 10815.

It is an arithmetic number, because the mean of its divisors is an integer number (4035456).

Almost surely, 2^53381910 is an apocalyptic number.

53381910 is an abundant number, since it is smaller than the sum of its proper divisors (75752682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53381910 is a wasteful number, since it uses less digits than its factorization.

53381910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14148.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 53381910 is about 7306.2924934607. The cubic root of 53381910 is about 376.5286578575.

The spelling of 53381910 in words is "fifty-three million, three hundred eighty-one thousand, nine hundred ten".